| 气-气喷注器混合场流动显示 |
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| 引用本文： | 金平,杜正刚,杨立军,蔡国飙.气-气喷注器混合场流动显示[J].航空动力学报,2011,26(1):210-216. |
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| 作者姓名： | 金平 杜正刚 杨立军 蔡国飙 |
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| 作者单位： | 北京航空航天大学宇航学院,北京,100191 |
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| 基金项目： | 国家高技术研究发展计划 |
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| 摘 要： | 研究气-气喷注器气流流动混合过程,基于粒子图像测速仪(PIV)实验系统,采用对两股气流分别示踪的方法,对三种典型结构的气一气喷注器混合场开展了实验研究.实验结果验证了这种实验方案的可行性,结合轴截面和横截面的流场分布测量,得到了同轴离心式、同轴直流式、互击式气一气喷注器气流混合过程的主要作用因素和混合场的分布特征.
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| 关 键 词： | 粒子图像测速 混合场 同轴离心式气-气喷注器 同轴直流式气-气喷注器 互击式气-气喷注器 |
| 收稿时间： | 6/2/2010 12:00:00 AM |
| 修稿时间： | 2010/10/25 0:00:00 |
Flow visualization of gas-gas injector mixing flowfield |
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| JIN Ping,DU Zheng-gang,YANG Li-jun and CAI Guo-biao.Flow visualization of gas-gas injector mixing flowfield[J].Journal of Aerospace Power,2011,26(1):210-216. |
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| Authors: | JIN Ping DU Zheng-gang YANG Li-jun and CAI Guo-biao |
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| Institution: | JIN Ping,DU Zheng-gang,YANG Li-jun,CAI Guo-biao(School of Astronautics,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | Flow visualization technology with particle image velocimetry system was applied in the paper to study the mixing flowfield of gas-gas injector.The method of tracing two different flows separately was adopted and three typical injectors,such as coaxial shear injector,coaxial swirl injector and triple impinging injector,were selected to conduct out a series of tests.The experimental results validate the way to trace the two flows separately credible and show the different mixing mechanisms of three typical i... |
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| Keywords: | particle image velocimetry mixing flowfield coaxial shear gas-gas injector coaxial swirl gas-gas injector triple impinging gas-gas injector |
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